What do Smiths and Tinkers do?

What do Smiths and Tinkers do? - Interior of modern office lounge zone with sofa and armchair with table near window next to TV on wall and neon signboard with text do what you love near door

So I recently unlocked the smiths and tinkers in Heroville, what do they do exactly?

heroville

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Wizard101 - All Smith Locations!

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